Re: Re: Re: IDE DMA breakage w/ 2.4.21+ and 2.6.0-test4(-mm4)

From: Mikulas Patocka
Date: Sun Aug 31 2003 - 18:41:52 EST


> I did few more experiments, and one strange thing is that /proc/dma does not
> change when turning using_dma on thru hdparm:
>
> 1: SoundBlaster8
> 4: cascade
>
> I'd expect some entry for ide to appear or so. Or is this normal?

/proc/dma lists isa dma devices.
pci busmaster dma that is used by ide controllers has nothing to do with
it. It's totally different technology and it's reported in /proc/pci (look
for "Master Capable").

Mikulas

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/